Colling, R. C., & Colling, H. (1950). Modern building inspection: The building inspector's handbook (2d ed.). [Building Standards Monthly Pub. Co.].
Chicago Style (17th ed.) CitationColling, Ruth Clayton, and Hal Colling. Modern Building Inspection: The Building Inspector's Handbook. 2d ed. [Los Angeles]: [Building Standards Monthly Pub. Co.], 1950.
MLA (9th ed.) CitationColling, Ruth Clayton, and Hal Colling. Modern Building Inspection: The Building Inspector's Handbook. 2d ed. [Building Standards Monthly Pub. Co.], 1950.
Warning: These citations may not always be 100% accurate.